Glacier Trek Size Chart
Please measure your boots and refer to this size chart. Please Note: If you are going to wear your NEOS over a work or combat boot, you NEED to go a size up from our chart.
| Men & Women's Shoe Size | Insole Dimension | |
| SMALL | M - 5-6.5 / W - 6-8 | 11"x4.3" |
| MEDIUM | M - 7-8.5 / W - 8.5-10 | 11.8"x4.4" |
| LARGE | M - 9-10.5 / W - 10.5-12 | 12.4"x4.5" |
| X-LARGE | M - 11-12.5 | 12.8"x4.6" |
| 2X-LARGE | M - 13-14.5 | 13.5"x4.8" |
| 3X-LARGE | M - 15-16.5 | 14"x5" |
| 4X-LARGE | M - 17+ | 14.25"x5" |
